
.join-tu1{
    width: 100%;
    height: 182px;
    margin-bottom: 33px;
    background-color: #5a2511;
    background-image: url(../img/join/joinus_banner.png);
    background-position: center center;
    background-repeat: no-repeat;
}
.join-box{
    width: 990px;
    /* height: 3977px; */
    margin: 0 auto;
    overflow: hidden;
}
.join-tu2{
    width: 394px;
    height: 96px;
    margin: 0 auto;
    background-image: url(../img/join/join_pro_title.png);
    background-position: center center;
    background-repeat: no-repeat;
}
.join-box ul li{
    padding: 50px 0;
    border-bottom: 1px solid #5a2511;
}
.join-box ul li h3{
    margin-top: 0;
}
.join-box ul .li1 h3{
    /* font-size: 24px; */
    color: #5a2511;
    text-align: center;
}
.join-box ul .li1 p{
    margin-top: 20px;
    font-size: 16px;
    color: rgb(90,37,17);
    font-weight: 500;
}
.join-box ul .li2 p{
    font-weight: 500;
    font-size: 20px;
}
.join-box ul .li3 p{
    font-weight: 500;
    font-size: 21px;
    line-height: 40px;
}
.join-box ul .li4 h5{
    margin: 30px 0 30px 10px;
}
.join-box ul .li4 p{
    margin-left: 30px;
    font-size: 18px;
    font-weight: 500;
}
.join-box .cen{
    width: 100%;
    padding: 20px;
}
.join-box .cen img{
    margin-bottom: 20px;
}
.join-box .cen  h5{
    text-align: center;
    margin: 30px 0px 15px 0;
}
.join-box .cen p{
    text-align: center;
    font-size: 18px;
    font-weight: 500;
}
.join-box a{
    display: block;
    width: 224px;
    height: 62px;
    text-align: center;
    line-height: 62px;
    border-radius: 40px;
    background-color: red;
    color: #fff;
    margin: 10px auto;
}
.join-box img {
    display: block;
    margin: 0 auto;
}

/* 返回顶部 */
.join .back-box {
    width: 70px;
    height: 70px;
    position: fixed;
    right: 19.68%;
    bottom: 25%;
    border-radius: 50%;
    display: none;
}

.join .back-box .back {
    width: 100%;
    height: 100%;
    background-image: url(../img/chosen/backtop.png);
    z-index: 1000;
    cursor: pointer;
}